Composition of matter for the removal of ink.



UNITED STATES PATENT OFFICE- BERTHA a. moms, OF NEW YORK, N. Y., Ass IGNon BY MESNE ASSIGNMENTS, TO EDWARD l e. SOLTMANN, or NEW roan, N. Y. a

COMPOSITION or MATTER FOR THE nnmovnnor INK.

- tracingv cloth or linen to allow'of changes being made in the drawing without injuring the clo'thlg' In making m Composition 'I combine the following ingre ients in these proportions:

Linseed oil--, 1 part. Alcohol 8 parts. Glyce r in 2 parts. Oxalic acid. 1 part. Water.................. 3 parts.

Creo]1n-'- part.

' While I have specified theseproportions,

and the ingredients named are referred, 'as

80 they give ore'satisfactory resu ts.

I .In mak rig the composition I cut the oil with powdered pumice stone or glass sandin a mortar and gradually add alcohol, agitate ing the mix/cure to further mix the Oll. I hen add acid and water lycerin and creoin. the mixture.

In'using the compositionto remove ink spots or lines from tracing cloth or linen,- the 40 solution is applied to the cloth and in a manner, for exam le, byla brush, sponge or cloth. The solution 1s allow ed to remain for a short time, when it may be removed b simply wi ing the tracing cloth, when-a1 'the Ink will be thoroughly eradicated from thatpart of the cloth to which the solution has been applied. The solution removes the ink Specification of Letters Patent. y npplicationfiled January 8- 1906. Serial No. 295.041.

When this is donefagitate and filter Patented-Feb. 11, 1908.

satisfactorily used in retouching photograph prints. I j I It is well known that the surface of photo graphic negatives sometimescontains spots or scratches owing tothe fact that certain parts of the .film have been accidentally remow'ed. When a print ismade from sue a negative, these spots or scratches appear darker than other parts owing to the fact that the light passes more readily through the-negative when it-is spotted or scratched.

These spots or scratches maybe removed from the print by a plying my com )osition to the same, which ms theefi'ect ofl ing these spots or scratches and causing them to take on the same shade or color as the other parts of the print. I can also use' my solution to lighten any parts of the print that may have been made too dark by over printing.

Having now described my invention. what I claim as new and desire to secure by Letters Patent is:

,1. A'composition of matter containing oil, alc'o ol, glycerin and acid.

ighten- 2. A composition of matter containing linseed oil, alcohol, glycerin and acid.

3. Acomposition of matter containing oil,

alcohol, glycerin and oxalic acid.

4. A composition of matter containing linseed oil, alcohol, glycerin and oxalic acid.

5. A composition of matter consisting of oil one part, alcohol eight parts, glycerin two parts, acid one part, water three parts and creolin one fifteenth part.

6. A composition of matter consisting of linseed oil one part, alcohol eight parts, glycerin two parts, acid one part, water three parts and creolin one fifteenth part.

- 7. A composition of matter consisting of oil one part, alcohol eight parts. glycerin two parts, oxalic acidone part, water three parts and creolin one fifteenth part.

8. A composition of matter consisting of linseed oil one part, alcohol eight parts, glycerin two parts, oxalic acid one part, water three parts, and creolin one fifteenth part.

In witness whereof I have hereunto set my hand at the cit county and State of New York, this fourt day of January, 1906.

BERTHA; R. THOMAS. In presence of- 'Jno. W. Tnonas,

T. R. Rrommns. 

